Southeast Louisiana received historic amounts of snowfall on Jan. 21 as a winter storm swept through the South. Find out Louisiana's snow totals here.

To get the most accurate measurements, you'll need to use a snowboard. Here's how to make one, including using a crawfish tray.

Baton Rouge Airport Ryan Field recorded its coldest temp on record & tied the 2nd coldest temp on record for the Baton Rouge area of 7 degrees this morning. Ryan Field's records go back to 1930 & the Baton Rouge area Period of Record goes back to 1892. #LAwx #MSwx pic.twitter.com/5ccjRkaYWl

A rare winter storm swept through the Deep South on Tuesday, bringing record-breaking snowfall to south Louisiana.

A "Freeze Warning" is in effect across southern Arkansas, northern Louisiana, Oklahoma and eastern Texas, as well as in small parts of Arizona, California and Florida, with temperatures falling as low as 27, and wind chills expected to feel as cold as low as 13 in some areas.

According to the National Weather Service, southeast Louisiana, southwestern Mississippi, and coastal Mississippi experienced some of the coldest temperatures in over 25 years. The last time numerous locations recorded single digit temperatures was December 23rd and 24th of 1989.

Louisiana isn’t known for extreme cold weather—but that changed Tuesday, when the National Weather Service issued its first-ever blizzard warning for much of the state.

The cold temperatures are coming from a not uncommon expansion in the Polar Vortex, which are counter-clockwise rotating air currents that typically hang over the Arctic.

Snow totals in Louisiana have broken records. Parts of Florida, Texas and Georgia have also accumulated several inches of snow.

Snowfall totals across the southern half of the state continued to increase in Monday forecasts to what could be record-breaking levels. Here's what to know for the New Orleans metro, the northshore,

The LDH reported one winter weather-related death in the state this year—a 65-year-old man in Rapides Parish who died due to hypothermia—and advised people to stay inside during the extreme cold and to seek shelter if unhoused.

Sub-freezing temperatures and a high chance of snow have officials in Louisiana treating the approaching winter weather as an emergency, one in which they anticipate road closures and other impacts from the frigid conditions.